/* * Copyright (c) 2019 TAOS Data, Inc. * * This program is free software: you can use, redistribute, and/or modify * it under the terms of the GNU Affero General Public License, version 3 * or later ("AGPL"), as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #include "cmdnodes.h" #include "nodesUtil.h" #include "plannodes.h" #include "querynodes.h" #include "taos.h" #include "taoserror.h" #include "thash.h" static SNode* makeNode(ENodeType type, size_t size) { SNode* p = taosMemoryCalloc(1, size); if (NULL == p) { return NULL; } setNodeType(p, type); return p; } SNodeptr nodesMakeNode(ENodeType type) { switch (type) { case QUERY_NODE_COLUMN: return makeNode(type, sizeof(SColumnNode)); case QUERY_NODE_VALUE: return makeNode(type, sizeof(SValueNode)); case QUERY_NODE_OPERATOR: return makeNode(type, sizeof(SOperatorNode)); case QUERY_NODE_LOGIC_CONDITION: return makeNode(type, sizeof(SLogicConditionNode)); case QUERY_NODE_FUNCTION: return makeNode(type, sizeof(SFunctionNode)); case QUERY_NODE_REAL_TABLE: return makeNode(type, sizeof(SRealTableNode)); case QUERY_NODE_TEMP_TABLE: return makeNode(type, sizeof(STempTableNode)); case QUERY_NODE_JOIN_TABLE: return makeNode(type, sizeof(SJoinTableNode)); case QUERY_NODE_GROUPING_SET: return makeNode(type, sizeof(SGroupingSetNode)); case QUERY_NODE_ORDER_BY_EXPR: return makeNode(type, sizeof(SOrderByExprNode)); case QUERY_NODE_LIMIT: return makeNode(type, sizeof(SLimitNode)); case QUERY_NODE_STATE_WINDOW: return makeNode(type, sizeof(SStateWindowNode)); case QUERY_NODE_SESSION_WINDOW: return makeNode(type, sizeof(SSessionWindowNode)); case QUERY_NODE_INTERVAL_WINDOW: return makeNode(type, sizeof(SIntervalWindowNode)); case QUERY_NODE_NODE_LIST: return makeNode(type, sizeof(SNodeListNode)); case QUERY_NODE_FILL: return makeNode(type, sizeof(SFillNode)); case QUERY_NODE_RAW_EXPR: return makeNode(type, sizeof(SRawExprNode)); case QUERY_NODE_TARGET: return makeNode(type, sizeof(STargetNode)); case QUERY_NODE_DATABLOCK_DESC: return makeNode(type, sizeof(SDataBlockDescNode)); case QUERY_NODE_SLOT_DESC: return makeNode(type, sizeof(SSlotDescNode)); case QUERY_NODE_COLUMN_DEF: return makeNode(type, sizeof(SColumnDefNode)); case QUERY_NODE_DOWNSTREAM_SOURCE: return makeNode(type, sizeof(SDownstreamSourceNode)); case QUERY_NODE_DATABASE_OPTIONS: return makeNode(type, sizeof(SDatabaseOptions)); case QUERY_NODE_TABLE_OPTIONS: return makeNode(type, sizeof(STableOptions)); case QUERY_NODE_INDEX_OPTIONS: return makeNode(type, sizeof(SIndexOptions)); case QUERY_NODE_EXPLAIN_OPTIONS: return makeNode(type, sizeof(SExplainOptions)); case QUERY_NODE_STREAM_OPTIONS: return makeNode(type, sizeof(SStreamOptions)); case QUERY_NODE_TOPIC_OPTIONS: return makeNode(type, sizeof(STopicOptions)); case QUERY_NODE_LEFT_VALUE: return makeNode(type, sizeof(SLeftValueNode)); case QUERY_NODE_SET_OPERATOR: return makeNode(type, sizeof(SSetOperator)); case QUERY_NODE_SELECT_STMT: return makeNode(type, sizeof(SSelectStmt)); case QUERY_NODE_VNODE_MODIF_STMT: return makeNode(type, sizeof(SVnodeModifOpStmt)); case QUERY_NODE_CREATE_DATABASE_STMT: return makeNode(type, sizeof(SCreateDatabaseStmt)); case QUERY_NODE_DROP_DATABASE_STMT: return makeNode(type, sizeof(SDropDatabaseStmt)); case QUERY_NODE_ALTER_DATABASE_STMT: return makeNode(type, sizeof(SAlterDatabaseStmt)); case QUERY_NODE_CREATE_TABLE_STMT: return makeNode(type, sizeof(SCreateTableStmt)); case QUERY_NODE_CREATE_SUBTABLE_CLAUSE: return makeNode(type, sizeof(SCreateSubTableClause)); case QUERY_NODE_CREATE_MULTI_TABLE_STMT: return makeNode(type, sizeof(SCreateMultiTableStmt)); case QUERY_NODE_DROP_TABLE_CLAUSE: return makeNode(type, sizeof(SDropTableClause)); case QUERY_NODE_DROP_TABLE_STMT: return makeNode(type, sizeof(SDropTableStmt)); case QUERY_NODE_DROP_SUPER_TABLE_STMT: return makeNode(type, sizeof(SDropSuperTableStmt)); case QUERY_NODE_ALTER_TABLE_STMT: return makeNode(type, sizeof(SAlterTableStmt)); case QUERY_NODE_CREATE_USER_STMT: return makeNode(type, sizeof(SCreateUserStmt)); case QUERY_NODE_ALTER_USER_STMT: return makeNode(type, sizeof(SAlterUserStmt)); case QUERY_NODE_DROP_USER_STMT: return makeNode(type, sizeof(SDropUserStmt)); case QUERY_NODE_USE_DATABASE_STMT: return makeNode(type, sizeof(SUseDatabaseStmt)); case QUERY_NODE_CREATE_DNODE_STMT: return makeNode(type, sizeof(SCreateDnodeStmt)); case QUERY_NODE_DROP_DNODE_STMT: return makeNode(type, sizeof(SDropDnodeStmt)); case QUERY_NODE_ALTER_DNODE_STMT: return makeNode(type, sizeof(SAlterDnodeStmt)); case QUERY_NODE_CREATE_INDEX_STMT: return makeNode(type, sizeof(SCreateIndexStmt)); case QUERY_NODE_DROP_INDEX_STMT: return makeNode(type, sizeof(SDropIndexStmt)); case QUERY_NODE_CREATE_QNODE_STMT: case QUERY_NODE_CREATE_BNODE_STMT: case QUERY_NODE_CREATE_SNODE_STMT: case QUERY_NODE_CREATE_MNODE_STMT: return makeNode(type, sizeof(SCreateComponentNodeStmt)); case QUERY_NODE_DROP_QNODE_STMT: case QUERY_NODE_DROP_BNODE_STMT: case QUERY_NODE_DROP_SNODE_STMT: case QUERY_NODE_DROP_MNODE_STMT: return makeNode(type, sizeof(SDropComponentNodeStmt)); case QUERY_NODE_CREATE_TOPIC_STMT: return makeNode(type, sizeof(SCreateTopicStmt)); case QUERY_NODE_DROP_TOPIC_STMT: return makeNode(type, sizeof(SDropTopicStmt)); case QUERY_NODE_DROP_CGROUP_STMT: return makeNode(type, sizeof(SDropCGroupStmt)); case QUERY_NODE_EXPLAIN_STMT: return makeNode(type, sizeof(SExplainStmt)); case QUERY_NODE_DESCRIBE_STMT: return makeNode(type, sizeof(SDescribeStmt)); case QUERY_NODE_RESET_QUERY_CACHE_STMT: return makeNode(type, sizeof(SNode)); case QUERY_NODE_COMPACT_STMT: break; case QUERY_NODE_CREATE_FUNCTION_STMT: return makeNode(type, sizeof(SCreateFunctionStmt)); case QUERY_NODE_DROP_FUNCTION_STMT: return makeNode(type, sizeof(SDropFunctionStmt)); case QUERY_NODE_CREATE_STREAM_STMT: return makeNode(type, sizeof(SCreateStreamStmt)); case QUERY_NODE_DROP_STREAM_STMT: return makeNode(type, sizeof(SDropStreamStmt)); case QUERY_NODE_MERGE_VGROUP_STMT: case QUERY_NODE_REDISTRIBUTE_VGROUP_STMT: case QUERY_NODE_SPLIT_VGROUP_STMT: case QUERY_NODE_SYNCDB_STMT: break; case QUERY_NODE_GRANT_STMT: return makeNode(type, sizeof(SGrantStmt)); case QUERY_NODE_REVOKE_STMT: return makeNode(type, sizeof(SRevokeStmt)); case QUERY_NODE_SHOW_DNODES_STMT: case QUERY_NODE_SHOW_MNODES_STMT: case QUERY_NODE_SHOW_MODULES_STMT: case QUERY_NODE_SHOW_QNODES_STMT: case QUERY_NODE_SHOW_SNODES_STMT: case QUERY_NODE_SHOW_BNODES_STMT: case QUERY_NODE_SHOW_CLUSTER_STMT: case QUERY_NODE_SHOW_DATABASES_STMT: case QUERY_NODE_SHOW_FUNCTIONS_STMT: case QUERY_NODE_SHOW_INDEXES_STMT: case QUERY_NODE_SHOW_STABLES_STMT: case QUERY_NODE_SHOW_STREAMS_STMT: case QUERY_NODE_SHOW_TABLES_STMT: case QUERY_NODE_SHOW_USERS_STMT: case QUERY_NODE_SHOW_LICENCE_STMT: case QUERY_NODE_SHOW_VGROUPS_STMT: case QUERY_NODE_SHOW_TOPICS_STMT: case QUERY_NODE_SHOW_CONSUMERS_STMT: case QUERY_NODE_SHOW_SUBSCRIBES_STMT: case QUERY_NODE_SHOW_SMAS_STMT: case QUERY_NODE_SHOW_CONFIGS_STMT: case QUERY_NODE_SHOW_QUERIES_STMT: case QUERY_NODE_SHOW_VNODES_STMT: case QUERY_NODE_SHOW_APPS_STMT: case QUERY_NODE_SHOW_SCORES_STMT: case QUERY_NODE_SHOW_VARIABLE_STMT: case QUERY_NODE_SHOW_CREATE_DATABASE_STMT: case QUERY_NODE_SHOW_CREATE_TABLE_STMT: case QUERY_NODE_SHOW_CREATE_STABLE_STMT: case QUERY_NODE_SHOW_TRANSACTIONS_STMT: return makeNode(type, sizeof(SShowStmt)); case QUERY_NODE_KILL_CONNECTION_STMT: case QUERY_NODE_KILL_QUERY_STMT: case QUERY_NODE_KILL_TRANSACTION_STMT: return makeNode(type, sizeof(SKillStmt)); case QUERY_NODE_LOGIC_PLAN_SCAN: return makeNode(type, sizeof(SScanLogicNode)); case QUERY_NODE_LOGIC_PLAN_JOIN: return makeNode(type, sizeof(SJoinLogicNode)); case QUERY_NODE_LOGIC_PLAN_AGG: return makeNode(type, sizeof(SAggLogicNode)); case QUERY_NODE_LOGIC_PLAN_PROJECT: return makeNode(type, sizeof(SProjectLogicNode)); case QUERY_NODE_LOGIC_PLAN_VNODE_MODIF: return makeNode(type, sizeof(SVnodeModifLogicNode)); case QUERY_NODE_LOGIC_PLAN_EXCHANGE: return makeNode(type, sizeof(SExchangeLogicNode)); case QUERY_NODE_LOGIC_PLAN_WINDOW: return makeNode(type, sizeof(SWindowLogicNode)); case QUERY_NODE_LOGIC_PLAN_FILL: return makeNode(type, sizeof(SFillLogicNode)); case QUERY_NODE_LOGIC_PLAN_SORT: return makeNode(type, sizeof(SSortLogicNode)); case QUERY_NODE_LOGIC_PLAN_PARTITION: return makeNode(type, sizeof(SPartitionLogicNode)); case QUERY_NODE_LOGIC_SUBPLAN: return makeNode(type, sizeof(SLogicSubplan)); case QUERY_NODE_LOGIC_PLAN: return makeNode(type, sizeof(SQueryLogicPlan)); case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN: return makeNode(type, sizeof(STagScanPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN: return makeNode(type, sizeof(STableScanPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN: return makeNode(type, sizeof(STableSeqScanPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN: return makeNode(type, sizeof(SStreamScanPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN: return makeNode(type, sizeof(SSystemTableScanPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_PROJECT: return makeNode(type, sizeof(SProjectPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_JOIN: return makeNode(type, sizeof(SJoinPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_AGG: return makeNode(type, sizeof(SAggPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE: return makeNode(type, sizeof(SExchangePhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_SORT: return makeNode(type, sizeof(SSortPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_INTERVAL: return makeNode(type, sizeof(SIntervalPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL: return makeNode(type, sizeof(SStreamIntervalPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_FILL: return makeNode(type, sizeof(SFillPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_SESSION_WINDOW: return makeNode(type, sizeof(SSessionWinodwPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION_WINDOW: return makeNode(type, sizeof(SStreamSessionWinodwPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_STATE_WINDOW: return makeNode(type, sizeof(SStateWinodwPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_PARTITION: return makeNode(type, sizeof(SPartitionPhysiNode)); case QUERY_NODE_PHYSICAL_PLAN_DISPATCH: return makeNode(type, sizeof(SDataDispatcherNode)); case QUERY_NODE_PHYSICAL_PLAN_INSERT: return makeNode(type, sizeof(SDataInserterNode)); case QUERY_NODE_PHYSICAL_SUBPLAN: return makeNode(type, sizeof(SSubplan)); case QUERY_NODE_PHYSICAL_PLAN: return makeNode(type, sizeof(SQueryPlan)); default: break; } nodesError("nodesMakeNode unknown node = %s", nodesNodeName(type)); return NULL; } static void destroyVgDataBlockArray(SArray* pArray) { size_t size = taosArrayGetSize(pArray); for (size_t i = 0; i < size; ++i) { SVgDataBlocks* pVg = taosArrayGetP(pArray, i); taosMemoryFreeClear(pVg->pData); taosMemoryFreeClear(pVg); } taosArrayDestroy(pArray); } static void destroyLogicNode(SLogicNode* pNode) { nodesDestroyList(pNode->pChildren); nodesDestroyNode(pNode->pConditions); nodesDestroyList(pNode->pTargets); } static void destroyPhysiNode(SPhysiNode* pNode) { nodesDestroyList(pNode->pChildren); nodesDestroyNode(pNode->pConditions); nodesDestroyNode(pNode->pOutputDataBlockDesc); } static void destroyWinodwPhysiNode(SWinodwPhysiNode* pNode) { destroyPhysiNode((SPhysiNode*)pNode); nodesDestroyList(pNode->pExprs); nodesDestroyList(pNode->pFuncs); nodesDestroyNode(pNode->pTspk); } static void destroyScanPhysiNode(SScanPhysiNode* pNode) { destroyPhysiNode((SPhysiNode*)pNode); nodesDestroyList(pNode->pScanCols); } static void destroyDataSinkNode(SDataSinkNode* pNode) { nodesDestroyNode(pNode->pInputDataBlockDesc); } void nodesDestroyNode(SNodeptr pNode) { if (NULL == pNode) { return; } switch (nodeType(pNode)) { case QUERY_NODE_COLUMN: // pProjectRef is weak reference, no need to release break; case QUERY_NODE_VALUE: { SValueNode* pValue = (SValueNode*)pNode; taosMemoryFreeClear(pValue->literal); if (IS_VAR_DATA_TYPE(pValue->node.resType.type)) { taosMemoryFreeClear(pValue->datum.p); } break; } case QUERY_NODE_OPERATOR: { SOperatorNode* pOp = (SOperatorNode*)pNode; nodesDestroyNode(pOp->pLeft); nodesDestroyNode(pOp->pRight); break; } case QUERY_NODE_LOGIC_CONDITION: nodesDestroyList(((SLogicConditionNode*)pNode)->pParameterList); break; case QUERY_NODE_FUNCTION: nodesDestroyList(((SFunctionNode*)pNode)->pParameterList); break; case QUERY_NODE_REAL_TABLE: { SRealTableNode* pReal = (SRealTableNode*)pNode; taosMemoryFreeClear(pReal->pMeta); taosMemoryFreeClear(pReal->pVgroupList); break; } case QUERY_NODE_TEMP_TABLE: nodesDestroyNode(((STempTableNode*)pNode)->pSubquery); break; case QUERY_NODE_JOIN_TABLE: { SJoinTableNode* pJoin = (SJoinTableNode*)pNode; nodesDestroyNode(pJoin->pLeft); nodesDestroyNode(pJoin->pRight); nodesDestroyNode(pJoin->pOnCond); break; } case QUERY_NODE_GROUPING_SET: nodesDestroyList(((SGroupingSetNode*)pNode)->pParameterList); break; case QUERY_NODE_ORDER_BY_EXPR: nodesDestroyNode(((SOrderByExprNode*)pNode)->pExpr); break; case QUERY_NODE_LIMIT: // no pointer field break; case QUERY_NODE_STATE_WINDOW: nodesDestroyNode(((SStateWindowNode*)pNode)->pExpr); break; case QUERY_NODE_SESSION_WINDOW: { SSessionWindowNode* pSession = (SSessionWindowNode*)pNode; nodesDestroyNode(pSession->pCol); nodesDestroyNode(pSession->pGap); break; } case QUERY_NODE_INTERVAL_WINDOW: { SIntervalWindowNode* pJoin = (SIntervalWindowNode*)pNode; nodesDestroyNode(pJoin->pCol); nodesDestroyNode(pJoin->pInterval); nodesDestroyNode(pJoin->pOffset); nodesDestroyNode(pJoin->pSliding); nodesDestroyNode(pJoin->pFill); break; } case QUERY_NODE_NODE_LIST: nodesDestroyList(((SNodeListNode*)pNode)->pNodeList); break; case QUERY_NODE_FILL: { SFillNode* pFill = (SFillNode*)pNode; nodesDestroyNode(pFill->pValues); nodesDestroyNode(pFill->pWStartTs); break; } case QUERY_NODE_RAW_EXPR: nodesDestroyNode(((SRawExprNode*)pNode)->pNode); break; case QUERY_NODE_TARGET: nodesDestroyNode(((STargetNode*)pNode)->pExpr); break; case QUERY_NODE_DATABLOCK_DESC: nodesDestroyList(((SDataBlockDescNode*)pNode)->pSlots); break; case QUERY_NODE_SLOT_DESC: // no pointer field case QUERY_NODE_COLUMN_DEF: // no pointer field case QUERY_NODE_DOWNSTREAM_SOURCE: // no pointer field break; case QUERY_NODE_DATABASE_OPTIONS: { SDatabaseOptions* pOptions = (SDatabaseOptions*)pNode; nodesDestroyNode(pOptions->pDaysPerFile); nodesDestroyList(pOptions->pKeep); nodesDestroyList(pOptions->pRetentions); break; } case QUERY_NODE_TABLE_OPTIONS: { STableOptions* pOptions = (STableOptions*)pNode; nodesDestroyList(pOptions->pSma); nodesDestroyList(pOptions->pRollupFuncs); break; } case QUERY_NODE_INDEX_OPTIONS: { SIndexOptions* pOptions = (SIndexOptions*)pNode; nodesDestroyList(pOptions->pFuncs); nodesDestroyNode(pOptions->pInterval); nodesDestroyNode(pOptions->pOffset); nodesDestroyNode(pOptions->pSliding); break; } case QUERY_NODE_SET_OPERATOR: { SSetOperator* pStmt = (SSetOperator*)pNode; nodesDestroyNode(pStmt->pLeft); nodesDestroyNode(pStmt->pRight); nodesDestroyList(pStmt->pOrderByList); nodesDestroyNode(pStmt->pLimit); break; } case QUERY_NODE_SELECT_STMT: { SSelectStmt* pStmt = (SSelectStmt*)pNode; nodesDestroyList(pStmt->pProjectionList); nodesDestroyNode(pStmt->pFromTable); nodesDestroyNode(pStmt->pWhere); nodesDestroyList(pStmt->pPartitionByList); nodesDestroyNode(pStmt->pWindow); nodesDestroyList(pStmt->pGroupByList); nodesDestroyNode(pStmt->pHaving); nodesDestroyList(pStmt->pOrderByList); nodesDestroyNode(pStmt->pLimit); nodesDestroyNode(pStmt->pSlimit); break; } case QUERY_NODE_VNODE_MODIF_STMT: destroyVgDataBlockArray(((SVnodeModifOpStmt*)pNode)->pDataBlocks); break; case QUERY_NODE_CREATE_DATABASE_STMT: nodesDestroyNode(((SCreateDatabaseStmt*)pNode)->pOptions); break; case QUERY_NODE_DROP_DATABASE_STMT: // no pointer field break; case QUERY_NODE_ALTER_DATABASE_STMT: nodesDestroyNode(((SAlterDatabaseStmt*)pNode)->pOptions); break; case QUERY_NODE_CREATE_TABLE_STMT: { SCreateTableStmt* pStmt = (SCreateTableStmt*)pNode; nodesDestroyList(pStmt->pCols); nodesDestroyList(pStmt->pTags); nodesDestroyNode(pStmt->pOptions); break; } case QUERY_NODE_CREATE_SUBTABLE_CLAUSE: { SCreateSubTableClause* pStmt = (SCreateSubTableClause*)pNode; nodesDestroyList(pStmt->pSpecificTags); nodesDestroyList(pStmt->pValsOfTags); break; } case QUERY_NODE_CREATE_MULTI_TABLE_STMT: nodesDestroyList(((SCreateMultiTableStmt*)pNode)->pSubTables); break; case QUERY_NODE_DROP_TABLE_CLAUSE: // no pointer field break; case QUERY_NODE_DROP_TABLE_STMT: nodesDestroyNode(((SDropTableStmt*)pNode)->pTables); break; case QUERY_NODE_DROP_SUPER_TABLE_STMT: // no pointer field break; case QUERY_NODE_ALTER_TABLE_STMT: { SAlterTableStmt* pStmt = (SAlterTableStmt*)pNode; nodesDestroyNode(pStmt->pOptions); nodesDestroyNode(pStmt->pVal); break; } case QUERY_NODE_CREATE_USER_STMT: // no pointer field case QUERY_NODE_ALTER_USER_STMT: // no pointer field case QUERY_NODE_DROP_USER_STMT: // no pointer field case QUERY_NODE_USE_DATABASE_STMT: // no pointer field case QUERY_NODE_CREATE_DNODE_STMT: // no pointer field case QUERY_NODE_DROP_DNODE_STMT: // no pointer field case QUERY_NODE_ALTER_DNODE_STMT: // no pointer field break; case QUERY_NODE_CREATE_INDEX_STMT: { SCreateIndexStmt* pStmt = (SCreateIndexStmt*)pNode; nodesDestroyNode(pStmt->pOptions); nodesDestroyList(pStmt->pCols); break; } case QUERY_NODE_DROP_INDEX_STMT: // no pointer field case QUERY_NODE_CREATE_QNODE_STMT: // no pointer field case QUERY_NODE_DROP_QNODE_STMT: // no pointer field break; case QUERY_NODE_CREATE_TOPIC_STMT: nodesDestroyNode(((SCreateTopicStmt*)pNode)->pQuery); break; case QUERY_NODE_DROP_TOPIC_STMT: // no pointer field case QUERY_NODE_ALTER_LOCAL_STMT: // no pointer field break; case QUERY_NODE_SHOW_DATABASES_STMT: case QUERY_NODE_SHOW_TABLES_STMT: case QUERY_NODE_SHOW_STABLES_STMT: case QUERY_NODE_SHOW_USERS_STMT: case QUERY_NODE_SHOW_DNODES_STMT: case QUERY_NODE_SHOW_VGROUPS_STMT: case QUERY_NODE_SHOW_MNODES_STMT: case QUERY_NODE_SHOW_MODULES_STMT: case QUERY_NODE_SHOW_QNODES_STMT: case QUERY_NODE_SHOW_FUNCTIONS_STMT: case QUERY_NODE_SHOW_INDEXES_STMT: case QUERY_NODE_SHOW_STREAMS_STMT: { SShowStmt* pStmt = (SShowStmt*)pNode; nodesDestroyNode(pStmt->pDbName); nodesDestroyNode(pStmt->pTbNamePattern); break; } case QUERY_NODE_QUERY: { SQuery* pQuery = (SQuery*)pNode; nodesDestroyNode(pQuery->pRoot); taosMemoryFreeClear(pQuery->pResSchema); if (NULL != pQuery->pCmdMsg) { taosMemoryFreeClear(pQuery->pCmdMsg->pMsg); taosMemoryFreeClear(pQuery->pCmdMsg); } taosArrayDestroy(pQuery->pDbList); taosArrayDestroy(pQuery->pTableList); break; } case QUERY_NODE_LOGIC_PLAN_SCAN: { SScanLogicNode* pLogicNode = (SScanLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyList(pLogicNode->pScanCols); taosMemoryFreeClear(pLogicNode->pMeta); taosMemoryFreeClear(pLogicNode->pVgroupList); break; } case QUERY_NODE_LOGIC_PLAN_JOIN: { SJoinLogicNode* pLogicNode = (SJoinLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyNode(pLogicNode->pOnConditions); break; } case QUERY_NODE_LOGIC_PLAN_AGG: { SAggLogicNode* pLogicNode = (SAggLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyList(pLogicNode->pAggFuncs); nodesDestroyList(pLogicNode->pGroupKeys); break; } case QUERY_NODE_LOGIC_PLAN_PROJECT: { SProjectLogicNode* pLogicNode = (SProjectLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyList(pLogicNode->pProjections); break; } case QUERY_NODE_LOGIC_PLAN_VNODE_MODIF: { SVnodeModifLogicNode* pLogicNode = (SVnodeModifLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); destroyVgDataBlockArray(pLogicNode->pDataBlocks); // pVgDataBlocks is weak reference break; } case QUERY_NODE_LOGIC_PLAN_EXCHANGE: destroyLogicNode((SLogicNode*)pNode); break; case QUERY_NODE_LOGIC_PLAN_WINDOW: { SWindowLogicNode* pLogicNode = (SWindowLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyList(pLogicNode->pFuncs); nodesDestroyNode(pLogicNode->pTspk); break; } case QUERY_NODE_LOGIC_PLAN_SORT: { SSortLogicNode* pLogicNode = (SSortLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyList(pLogicNode->pSortKeys); break; } case QUERY_NODE_LOGIC_PLAN_PARTITION: { SPartitionLogicNode* pLogicNode = (SPartitionLogicNode*)pNode; destroyLogicNode((SLogicNode*)pLogicNode); nodesDestroyList(pLogicNode->pPartitionKeys); break; } case QUERY_NODE_LOGIC_SUBPLAN: { SLogicSubplan* pSubplan = (SLogicSubplan*)pNode; nodesDestroyList(pSubplan->pChildren); nodesDestroyNode(pSubplan->pNode); nodesClearList(pSubplan->pParents); taosMemoryFreeClear(pSubplan->pVgroupList); break; } case QUERY_NODE_LOGIC_PLAN: nodesDestroyList(((SQueryLogicPlan*)pNode)->pTopSubplans); break; case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN: destroyScanPhysiNode((SScanPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN: destroyScanPhysiNode((SScanPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN: destroyScanPhysiNode((SScanPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN: destroyScanPhysiNode((SScanPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN: destroyScanPhysiNode((SScanPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_PROJECT: { SProjectPhysiNode* pPhyNode = (SProjectPhysiNode*)pNode; destroyPhysiNode((SPhysiNode*)pPhyNode); nodesDestroyList(pPhyNode->pProjections); break; } case QUERY_NODE_PHYSICAL_PLAN_JOIN: { SJoinPhysiNode* pPhyNode = (SJoinPhysiNode*)pNode; destroyPhysiNode((SPhysiNode*)pPhyNode); nodesDestroyNode(pPhyNode->pOnConditions); nodesDestroyList(pPhyNode->pTargets); break; } case QUERY_NODE_PHYSICAL_PLAN_AGG: { SAggPhysiNode* pPhyNode = (SAggPhysiNode*)pNode; destroyPhysiNode((SPhysiNode*)pPhyNode); nodesDestroyList(pPhyNode->pExprs); nodesDestroyList(pPhyNode->pAggFuncs); nodesDestroyList(pPhyNode->pGroupKeys); break; } case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE: { SExchangePhysiNode* pPhyNode = (SExchangePhysiNode*)pNode; destroyPhysiNode((SPhysiNode*)pPhyNode); nodesDestroyList(pPhyNode->pSrcEndPoints); break; } case QUERY_NODE_PHYSICAL_PLAN_SORT: { SSortPhysiNode* pPhyNode = (SSortPhysiNode*)pNode; destroyPhysiNode((SPhysiNode*)pPhyNode); nodesDestroyNode(pPhyNode->pExprs); nodesDestroyNode(pPhyNode->pSortKeys); break; } case QUERY_NODE_PHYSICAL_PLAN_INTERVAL: case QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL: destroyWinodwPhysiNode((SWinodwPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_SESSION_WINDOW: case QUERY_NODE_PHYSICAL_PLAN_STREAM_SESSION_WINDOW: destroyWinodwPhysiNode((SWinodwPhysiNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_DISPATCH: destroyDataSinkNode((SDataSinkNode*)pNode); break; case QUERY_NODE_PHYSICAL_PLAN_INSERT: { SDataInserterNode* pSink = (SDataInserterNode*)pNode; destroyDataSinkNode((SDataSinkNode*)pSink); taosMemoryFreeClear(pSink->pData); break; } case QUERY_NODE_PHYSICAL_SUBPLAN: { SSubplan* pSubplan = (SSubplan*)pNode; nodesDestroyList(pSubplan->pChildren); nodesDestroyNode(pSubplan->pNode); nodesDestroyNode(pSubplan->pDataSink); nodesClearList(pSubplan->pParents); break; } case QUERY_NODE_PHYSICAL_PLAN: { SQueryPlan* pPlan = (SQueryPlan*)pNode; if (NULL != pPlan->pSubplans) { // only need to destroy the top-level subplans, because they will recurse to all the subplans below bool first = true; SNode* pElement = NULL; FOREACH(pElement, pPlan->pSubplans) { if (first) { first = false; nodesDestroyNode(pElement); } else { nodesClearList(((SNodeListNode*)pElement)->pNodeList); taosMemoryFreeClear(pElement); } } nodesClearList(pPlan->pSubplans); } break; } default: break; } taosMemoryFreeClear(pNode); return; } SNodeList* nodesMakeList() { SNodeList* p = taosMemoryCalloc(1, sizeof(SNodeList)); if (NULL == p) { return NULL; } return p; } int32_t nodesListAppend(SNodeList* pList, SNodeptr pNode) { if (NULL == pList || NULL == pNode) { return TSDB_CODE_FAILED; } SListCell* p = taosMemoryCalloc(1, sizeof(SListCell)); if (NULL == p) { terrno = TSDB_CODE_OUT_OF_MEMORY; return TSDB_CODE_OUT_OF_MEMORY; } p->pNode = pNode; if (NULL == pList->pHead) { pList->pHead = p; } if (NULL != pList->pTail) { pList->pTail->pNext = p; } p->pPrev = pList->pTail; pList->pTail = p; ++(pList->length); return TSDB_CODE_SUCCESS; } int32_t nodesListStrictAppend(SNodeList* pList, SNodeptr pNode) { if (NULL == pNode) { terrno = TSDB_CODE_OUT_OF_MEMORY; return TSDB_CODE_OUT_OF_MEMORY; } int32_t code = nodesListAppend(pList, pNode); if (TSDB_CODE_SUCCESS != code) { nodesDestroyNode(pNode); } return code; } int32_t nodesListMakeAppend(SNodeList** pList, SNodeptr pNode) { if (NULL == *pList) { *pList = nodesMakeList(); if (NULL == *pList) { terrno = TSDB_CODE_OUT_OF_MEMORY; return TSDB_CODE_OUT_OF_MEMORY; } } return nodesListAppend(*pList, pNode); } int32_t nodesListMakeStrictAppend(SNodeList** pList, SNodeptr pNode) { if (NULL == *pList) { *pList = nodesMakeList(); if (NULL == *pList) { terrno = TSDB_CODE_OUT_OF_MEMORY; return TSDB_CODE_OUT_OF_MEMORY; } } return nodesListStrictAppend(*pList, pNode); } int32_t nodesListAppendList(SNodeList* pTarget, SNodeList* pSrc) { if (NULL == pTarget || NULL == pSrc) { return TSDB_CODE_FAILED; } if (NULL == pTarget->pHead) { pTarget->pHead = pSrc->pHead; } else { pTarget->pTail->pNext = pSrc->pHead; if (NULL != pSrc->pHead) { pSrc->pHead->pPrev = pTarget->pTail; } } pTarget->pTail = pSrc->pTail; pTarget->length += pSrc->length; taosMemoryFreeClear(pSrc); return TSDB_CODE_SUCCESS; } int32_t nodesListStrictAppendList(SNodeList* pTarget, SNodeList* pSrc) { if (NULL == pSrc) { return TSDB_CODE_OUT_OF_MEMORY; } int32_t code = nodesListAppendList(pTarget, pSrc); if (TSDB_CODE_SUCCESS != code) { nodesDestroyList(pSrc); } return code; } int32_t nodesListPushFront(SNodeList* pList, SNodeptr pNode) { if (NULL == pList || NULL == pNode) { return TSDB_CODE_FAILED; } SListCell* p = taosMemoryCalloc(1, sizeof(SListCell)); if (NULL == p) { terrno = TSDB_CODE_OUT_OF_MEMORY; return TSDB_CODE_OUT_OF_MEMORY; } p->pNode = pNode; if (NULL != pList->pHead) { pList->pHead->pPrev = p; p->pNext = pList->pHead; } pList->pHead = p; ++(pList->length); return TSDB_CODE_SUCCESS; } SListCell* nodesListErase(SNodeList* pList, SListCell* pCell) { if (NULL == pCell->pPrev) { pList->pHead = pCell->pNext; } else { pCell->pPrev->pNext = pCell->pNext; } if (NULL == pCell->pNext) { pList->pTail = pCell->pPrev; } else { pCell->pNext->pPrev = pCell->pPrev; } SListCell* pNext = pCell->pNext; nodesDestroyNode(pCell->pNode); taosMemoryFreeClear(pCell); --(pList->length); return pNext; } void nodesListInsertList(SNodeList* pTarget, SListCell* pPos, SNodeList* pSrc) { if (NULL == pTarget || NULL == pPos || NULL == pSrc) { return; } if (NULL == pPos->pPrev) { pTarget->pHead = pSrc->pHead; } else { pPos->pPrev->pNext = pSrc->pHead; } pSrc->pHead->pPrev = pPos->pPrev; pSrc->pTail->pNext = pPos; pPos->pPrev = pSrc->pTail; pTarget->length += pSrc->length; taosMemoryFreeClear(pSrc); } SNodeptr nodesListGetNode(SNodeList* pList, int32_t index) { SNode* node; FOREACH(node, pList) { if (0 == index--) { return node; } } return NULL; } void nodesDestroyList(SNodeList* pList) { if (NULL == pList) { return; } SListCell* pNext = pList->pHead; while (NULL != pNext) { pNext = nodesListErase(pList, pNext); } taosMemoryFreeClear(pList); } void nodesClearList(SNodeList* pList) { if (NULL == pList) { return; } SListCell* pNext = pList->pHead; while (NULL != pNext) { SListCell* tmp = pNext; pNext = pNext->pNext; taosMemoryFreeClear(tmp); } taosMemoryFreeClear(pList); } void* nodesGetValueFromNode(SValueNode* pNode) { switch (pNode->node.resType.type) { case TSDB_DATA_TYPE_BOOL: case TSDB_DATA_TYPE_TINYINT: case TSDB_DATA_TYPE_SMALLINT: case TSDB_DATA_TYPE_INT: case TSDB_DATA_TYPE_BIGINT: case TSDB_DATA_TYPE_TIMESTAMP: case TSDB_DATA_TYPE_UTINYINT: case TSDB_DATA_TYPE_USMALLINT: case TSDB_DATA_TYPE_UINT: case TSDB_DATA_TYPE_UBIGINT: case TSDB_DATA_TYPE_FLOAT: case TSDB_DATA_TYPE_DOUBLE: return (void*)&pNode->typeData; case TSDB_DATA_TYPE_NCHAR: case TSDB_DATA_TYPE_VARCHAR: case TSDB_DATA_TYPE_VARBINARY: return (void*)pNode->datum.p; default: break; } return NULL; } int32_t nodesSetValueNodeValue(SValueNode* pNode, void* value) { switch (pNode->node.resType.type) { case TSDB_DATA_TYPE_BOOL: pNode->datum.b = *(bool*)value; *(bool*)&pNode->typeData = pNode->datum.b; break; case TSDB_DATA_TYPE_TINYINT: pNode->datum.i = *(int8_t*)value; *(int8_t*)&pNode->typeData = pNode->datum.i; break; case TSDB_DATA_TYPE_SMALLINT: pNode->datum.i = *(int16_t*)value; *(int16_t*)&pNode->typeData = pNode->datum.i; break; case TSDB_DATA_TYPE_INT: pNode->datum.i = *(int32_t*)value; *(int32_t*)&pNode->typeData = pNode->datum.i; break; case TSDB_DATA_TYPE_BIGINT: pNode->datum.i = *(int64_t*)value; *(int64_t*)&pNode->typeData = pNode->datum.i; break; case TSDB_DATA_TYPE_TIMESTAMP: pNode->datum.i = *(int64_t*)value; *(int64_t*)&pNode->typeData = pNode->datum.i; break; case TSDB_DATA_TYPE_UTINYINT: pNode->datum.u = *(int8_t*)value; *(int8_t*)&pNode->typeData = pNode->datum.u; break; case TSDB_DATA_TYPE_USMALLINT: pNode->datum.u = *(int16_t*)value; *(int16_t*)&pNode->typeData = pNode->datum.u; break; case TSDB_DATA_TYPE_UINT: pNode->datum.u = *(int32_t*)value; *(int32_t*)&pNode->typeData = pNode->datum.u; break; case TSDB_DATA_TYPE_UBIGINT: pNode->datum.u = *(uint64_t*)value; *(uint64_t*)&pNode->typeData = pNode->datum.u; break; case TSDB_DATA_TYPE_FLOAT: pNode->datum.d = *(float*)value; *(float*)&pNode->typeData = pNode->datum.d; break; case TSDB_DATA_TYPE_DOUBLE: pNode->datum.d = *(double*)value; *(double*)&pNode->typeData = pNode->datum.d; break; case TSDB_DATA_TYPE_NCHAR: case TSDB_DATA_TYPE_VARCHAR: case TSDB_DATA_TYPE_VARBINARY: pNode->datum.p = (char*)value; break; default: return TSDB_CODE_QRY_APP_ERROR; } return TSDB_CODE_SUCCESS; } char* nodesGetStrValueFromNode(SValueNode* pNode) { switch (pNode->node.resType.type) { case TSDB_DATA_TYPE_BOOL: { void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE); if (NULL == buf) { return NULL; } sprintf(buf, "%s", pNode->datum.b ? "true" : "false"); return buf; } case TSDB_DATA_TYPE_TINYINT: case TSDB_DATA_TYPE_SMALLINT: case TSDB_DATA_TYPE_INT: case TSDB_DATA_TYPE_BIGINT: case TSDB_DATA_TYPE_TIMESTAMP: { void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE); if (NULL == buf) { return NULL; } sprintf(buf, "%" PRId64, pNode->datum.i); return buf; } case TSDB_DATA_TYPE_UTINYINT: case TSDB_DATA_TYPE_USMALLINT: case TSDB_DATA_TYPE_UINT: case TSDB_DATA_TYPE_UBIGINT: { void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE); if (NULL == buf) { return NULL; } sprintf(buf, "%" PRIu64, pNode->datum.u); return buf; } case TSDB_DATA_TYPE_FLOAT: case TSDB_DATA_TYPE_DOUBLE: { void* buf = taosMemoryMalloc(MAX_NUM_STR_SIZE); if (NULL == buf) { return NULL; } sprintf(buf, "%e", pNode->datum.d); return buf; } case TSDB_DATA_TYPE_NCHAR: case TSDB_DATA_TYPE_VARCHAR: case TSDB_DATA_TYPE_VARBINARY: { int32_t bufSize = varDataLen(pNode->datum.p) + 2 + 1; void* buf = taosMemoryMalloc(bufSize); if (NULL == buf) { return NULL; } snprintf(buf, bufSize, "'%s'", varDataVal(pNode->datum.p)); return buf; } default: break; } return NULL; } bool nodesIsExprNode(const SNode* pNode) { ENodeType type = nodeType(pNode); return (QUERY_NODE_COLUMN == type || QUERY_NODE_VALUE == type || QUERY_NODE_OPERATOR == type || QUERY_NODE_FUNCTION == type); } bool nodesIsUnaryOp(const SOperatorNode* pOp) { switch (pOp->opType) { case OP_TYPE_MINUS: case OP_TYPE_IS_NULL: case OP_TYPE_IS_NOT_NULL: case OP_TYPE_IS_TRUE: case OP_TYPE_IS_FALSE: case OP_TYPE_IS_UNKNOWN: case OP_TYPE_IS_NOT_TRUE: case OP_TYPE_IS_NOT_FALSE: case OP_TYPE_IS_NOT_UNKNOWN: return true; default: break; } return false; } bool nodesIsArithmeticOp(const SOperatorNode* pOp) { switch (pOp->opType) { case OP_TYPE_ADD: case OP_TYPE_SUB: case OP_TYPE_MULTI: case OP_TYPE_DIV: case OP_TYPE_MOD: return true; default: break; } return false; } bool nodesIsComparisonOp(const SOperatorNode* pOp) { switch (pOp->opType) { case OP_TYPE_GREATER_THAN: case OP_TYPE_GREATER_EQUAL: case OP_TYPE_LOWER_THAN: case OP_TYPE_LOWER_EQUAL: case OP_TYPE_EQUAL: case OP_TYPE_NOT_EQUAL: case OP_TYPE_IN: case OP_TYPE_NOT_IN: case OP_TYPE_LIKE: case OP_TYPE_NOT_LIKE: case OP_TYPE_MATCH: case OP_TYPE_NMATCH: case OP_TYPE_JSON_CONTAINS: case OP_TYPE_IS_NULL: case OP_TYPE_IS_NOT_NULL: case OP_TYPE_IS_TRUE: case OP_TYPE_IS_FALSE: case OP_TYPE_IS_UNKNOWN: case OP_TYPE_IS_NOT_TRUE: case OP_TYPE_IS_NOT_FALSE: case OP_TYPE_IS_NOT_UNKNOWN: return true; default: break; } return false; } bool nodesIsJsonOp(const SOperatorNode* pOp) { switch (pOp->opType) { case OP_TYPE_JSON_GET_VALUE: case OP_TYPE_JSON_CONTAINS: return true; default: break; } return false; } bool nodesIsRegularOp(const SOperatorNode* pOp) { switch (pOp->opType) { case OP_TYPE_LIKE: case OP_TYPE_NOT_LIKE: case OP_TYPE_MATCH: case OP_TYPE_NMATCH: return true; default: break; } return false; } typedef struct SCollectColumnsCxt { int32_t errCode; const char* pTableAlias; ECollectColType collectType; SNodeList* pCols; SHashObj* pColHash; } SCollectColumnsCxt; static EDealRes doCollect(SCollectColumnsCxt* pCxt, SColumnNode* pCol, SNode* pNode) { char name[TSDB_TABLE_NAME_LEN + TSDB_COL_NAME_LEN]; int32_t len = 0; if ('\0' == pCol->tableAlias[0]) { len = sprintf(name, "%s", pCol->colName); } len = sprintf(name, "%s.%s", pCol->tableAlias, pCol->colName); if (NULL == taosHashGet(pCxt->pColHash, name, len)) { pCxt->errCode = taosHashPut(pCxt->pColHash, name, len, NULL, 0); if (TSDB_CODE_SUCCESS == pCxt->errCode) { pCxt->errCode = nodesListStrictAppend(pCxt->pCols, nodesCloneNode(pNode)); } return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR); } return DEAL_RES_CONTINUE; } static bool isCollectType(ECollectColType collectType, EColumnType colType) { return COLLECT_COL_TYPE_ALL == collectType ? true : (COLLECT_COL_TYPE_TAG == collectType ? COLUMN_TYPE_TAG == colType : COLUMN_TYPE_TAG != colType); } static EDealRes collectColumns(SNode* pNode, void* pContext) { SCollectColumnsCxt* pCxt = (SCollectColumnsCxt*)pContext; if (QUERY_NODE_COLUMN == nodeType(pNode)) { SColumnNode* pCol = (SColumnNode*)pNode; if (isCollectType(pCxt->collectType, pCol->colType) && (NULL == pCxt->pTableAlias || 0 == strcmp(pCxt->pTableAlias, pCol->tableAlias))) { return doCollect(pCxt, pCol, pNode); } } return DEAL_RES_CONTINUE; } int32_t nodesCollectColumns(SSelectStmt* pSelect, ESqlClause clause, const char* pTableAlias, ECollectColType type, SNodeList** pCols) { if (NULL == pSelect || NULL == pCols) { return TSDB_CODE_FAILED; } SCollectColumnsCxt cxt = { .errCode = TSDB_CODE_SUCCESS, .pTableAlias = pTableAlias, .collectType = type, .pCols = (NULL == *pCols ? nodesMakeList() : *pCols), .pColHash = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK)}; if (NULL == cxt.pCols || NULL == cxt.pColHash) { return TSDB_CODE_OUT_OF_MEMORY; } *pCols = NULL; nodesWalkSelectStmt(pSelect, clause, collectColumns, &cxt); taosHashCleanup(cxt.pColHash); if (TSDB_CODE_SUCCESS != cxt.errCode) { nodesDestroyList(cxt.pCols); return cxt.errCode; } if (LIST_LENGTH(cxt.pCols) > 0) { *pCols = cxt.pCols; } else { nodesDestroyList(cxt.pCols); } return TSDB_CODE_SUCCESS; } typedef struct SCollectFuncsCxt { int32_t errCode; FFuncClassifier classifier; SNodeList* pFuncs; } SCollectFuncsCxt; static EDealRes collectFuncs(SNode* pNode, void* pContext) { SCollectFuncsCxt* pCxt = (SCollectFuncsCxt*)pContext; if (QUERY_NODE_FUNCTION == nodeType(pNode) && pCxt->classifier(((SFunctionNode*)pNode)->funcId)) { pCxt->errCode = nodesListStrictAppend(pCxt->pFuncs, nodesCloneNode(pNode)); return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR); } return DEAL_RES_CONTINUE; } int32_t nodesCollectFuncs(SSelectStmt* pSelect, ESqlClause clause, FFuncClassifier classifier, SNodeList** pFuncs) { if (NULL == pSelect || NULL == pFuncs) { return TSDB_CODE_FAILED; } SCollectFuncsCxt cxt = { .errCode = TSDB_CODE_SUCCESS, .classifier = classifier, .pFuncs = (NULL == *pFuncs ? nodesMakeList() : *pFuncs)}; if (NULL == cxt.pFuncs) { return TSDB_CODE_OUT_OF_MEMORY; } *pFuncs = NULL; nodesWalkSelectStmt(pSelect, clause, collectFuncs, &cxt); if (TSDB_CODE_SUCCESS != cxt.errCode) { nodesDestroyList(cxt.pFuncs); return cxt.errCode; } if (LIST_LENGTH(cxt.pFuncs) > 0) { *pFuncs = cxt.pFuncs; } else { nodesDestroyList(cxt.pFuncs); } return TSDB_CODE_SUCCESS; } typedef struct SCollectSpecialNodesCxt { int32_t errCode; ENodeType type; SNodeList* pNodes; } SCollectSpecialNodesCxt; static EDealRes collectSpecialNodes(SNode* pNode, void* pContext) { SCollectSpecialNodesCxt* pCxt = (SCollectSpecialNodesCxt*)pContext; if (pCxt->type == nodeType(pNode)) { pCxt->errCode = nodesListStrictAppend(pCxt->pNodes, nodesCloneNode(pNode)); return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR); } return DEAL_RES_CONTINUE; } int32_t nodesCollectSpecialNodes(SSelectStmt* pSelect, ESqlClause clause, ENodeType type, SNodeList** pNodes) { if (NULL == pSelect || NULL == pNodes) { return TSDB_CODE_FAILED; } SCollectSpecialNodesCxt cxt = { .errCode = TSDB_CODE_SUCCESS, .type = type, .pNodes = (NULL == *pNodes ? nodesMakeList() : *pNodes)}; if (NULL == cxt.pNodes) { return TSDB_CODE_OUT_OF_MEMORY; } *pNodes = NULL; nodesWalkSelectStmt(pSelect, SQL_CLAUSE_GROUP_BY, collectSpecialNodes, &cxt); if (TSDB_CODE_SUCCESS != cxt.errCode) { nodesDestroyList(cxt.pNodes); return cxt.errCode; } if (LIST_LENGTH(cxt.pNodes) > 0) { *pNodes = cxt.pNodes; } else { nodesDestroyList(cxt.pNodes); } return TSDB_CODE_SUCCESS; } char* getFillModeString(EFillMode mode) { switch (mode) { case FILL_MODE_NONE: return "none"; case FILL_MODE_VALUE: return "value"; case FILL_MODE_PREV: return "prev"; case FILL_MODE_NULL: return "null"; case FILL_MODE_LINEAR: return "linear"; case FILL_MODE_NEXT: return "next"; default: return "unknown"; } } char* nodesGetNameFromColumnNode(SNode* pNode) { if (NULL == pNode || QUERY_NODE_COLUMN != pNode->type) { return "NULL"; } return ((SColumnNode*)pNode)->colName; } int32_t nodesGetOutputNumFromSlotList(SNodeList* pSlots) { if (NULL == pSlots || pSlots->length <= 0) { return 0; } SNode* pNode = NULL; int32_t num = 0; FOREACH(pNode, pSlots) { if (QUERY_NODE_SLOT_DESC != pNode->type) { continue; } SSlotDescNode* descNode = (SSlotDescNode*)pNode; if (descNode->output) { ++num; } } return num; } void valueNodeToVariant(const SValueNode* pNode, SVariant* pVal) { pVal->nType = pNode->node.resType.type; pVal->nLen = pNode->node.resType.bytes; switch (pNode->node.resType.type) { case TSDB_DATA_TYPE_NULL: break; case TSDB_DATA_TYPE_BOOL: pVal->i = pNode->datum.b; break; case TSDB_DATA_TYPE_TINYINT: case TSDB_DATA_TYPE_SMALLINT: case TSDB_DATA_TYPE_INT: case TSDB_DATA_TYPE_BIGINT: case TSDB_DATA_TYPE_TIMESTAMP: pVal->i = pNode->datum.i; break; case TSDB_DATA_TYPE_UTINYINT: case TSDB_DATA_TYPE_USMALLINT: case TSDB_DATA_TYPE_UINT: case TSDB_DATA_TYPE_UBIGINT: pVal->u = pNode->datum.u; break; case TSDB_DATA_TYPE_FLOAT: case TSDB_DATA_TYPE_DOUBLE: pVal->d = pNode->datum.d; break; case TSDB_DATA_TYPE_NCHAR: case TSDB_DATA_TYPE_VARCHAR: case TSDB_DATA_TYPE_VARBINARY: pVal->pz = taosMemoryMalloc(pVal->nLen + VARSTR_HEADER_SIZE + 1); memcpy(pVal->pz, pNode->datum.p, pVal->nLen + VARSTR_HEADER_SIZE); pVal->pz[pVal->nLen + VARSTR_HEADER_SIZE] = 0; break; case TSDB_DATA_TYPE_JSON: case TSDB_DATA_TYPE_DECIMAL: case TSDB_DATA_TYPE_BLOB: // todo default: break; } }